DK291588D0 - Fremgangsmaade til fremstilling af ascorbinsyre-6-estere - Google Patents

Fremgangsmaade til fremstilling af ascorbinsyre-6-estere

Info

Publication number
DK291588D0
DK291588D0 DK291588A DK291588A DK291588D0 DK 291588 D0 DK291588 D0 DK 291588D0 DK 291588 A DK291588 A DK 291588A DK 291588 A DK291588 A DK 291588A DK 291588 D0 DK291588 D0 DK 291588D0
Authority
DK
Denmark
Prior art keywords
acid esters
ascorbic acid
preparing ascorbic
preparing
esters
Prior art date
Application number
DK291588A
Other languages
English (en)
Other versions
DK291588A (da
Inventor
Horst Pauling
Christof Wehrli
Original Assignee
Hoffmann La Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK291588D0 publication Critical patent/DK291588D0/da
Publication of DK291588A publication Critical patent/DK291588A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK291588A 1987-06-26 1988-05-27 Fremgangsmaade til fremstilling af ascorbinsyre-6-estere DK291588A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH243187 1987-06-26
CH111288 1988-03-24

Publications (2)

Publication Number Publication Date
DK291588D0 true DK291588D0 (da) 1988-05-27
DK291588A DK291588A (da) 1988-12-27

Family

ID=25686692

Family Applications (1)

Application Number Title Priority Date Filing Date
DK291588A DK291588A (da) 1987-06-26 1988-05-27 Fremgangsmaade til fremstilling af ascorbinsyre-6-estere

Country Status (5)

Country Link
US (1) US4997958A (da)
EP (1) EP0296483B1 (da)
JP (1) JP2507543B2 (da)
DE (1) DE3870723D1 (da)
DK (1) DK291588A (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013895A1 (de) * 1990-03-07 1991-09-19 F.Hoffmann-La Roche Ag Verfahren zur herstellung von derivaten der ascorbinsäure
GB9403855D0 (en) * 1994-03-01 1994-04-20 Scotia Holdings Plc Fatty acid derivatives
AU2091099A (en) * 1997-12-23 1999-07-12 Dcv, Inc. Doing Business As Bio-Technical Resources Esters of conjugated linoleic acid or conjugated linolenic acid and uses thereof
ES2248769T3 (es) * 2002-05-21 2006-03-16 Dsm Ip Assets B.V. Fabricacion de esteres de acido ascorbico.
CA2627469A1 (en) * 2005-10-26 2007-05-03 Newcastle Innovation Limited Gassing of emulsion explosives with nitric oxide
US7695549B2 (en) * 2006-09-26 2010-04-13 Global Oilfield Services Llc Fluid filtration tool
WO2008083436A1 (en) * 2007-01-10 2008-07-17 Newcastle Innovation Limited Methods for gassing explosives especially at low temperatures
FR2988092B1 (fr) * 2012-03-16 2014-04-25 Centre Nat Rech Scient Complexes de vitamine c, nanoparticules desdits complexes, procedes pour leur preparation, leurs compositions, leurs utilisations cosmetiques et procede de traitement cosmetique
CN107382923A (zh) * 2017-07-31 2017-11-24 广东广益科技实业有限公司 维生素c棕榈酸酯的制备方法
WO2019160037A1 (ja) * 2018-02-14 2019-08-22 国立大学法人 東京大学 酸ハロゲン化物による化合物の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454748A (en) * 1945-08-02 1948-11-23 Upjohn Co Ascorbic acid tetraester preparation
CH339632A (de) * 1955-07-07 1959-07-15 Uni Chemie Ag Verfahren zur Darstellung von Verbindungen mit Vitamin-C- und -F-Wirkung
BE639828A (da) * 1962-11-14
GB1016834A (en) * 1962-11-26 1966-01-12 Nihon Surfactant Ind Company L Improvements in or relating to 2.6 diesters of ascorbic acid or isoascorbic acid
JPS6281307A (ja) * 1985-10-04 1987-04-14 Kanebo Ltd 皮膚化粧料

Also Published As

Publication number Publication date
US4997958A (en) 1991-03-05
EP0296483B1 (de) 1992-05-06
JP2507543B2 (ja) 1996-06-12
EP0296483A3 (en) 1989-11-02
JPS6438082A (en) 1989-02-08
DE3870723D1 (de) 1992-06-11
EP0296483A2 (de) 1988-12-28
DK291588A (da) 1988-12-27

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
AHB Application shelved due to non-payment
AHB Application shelved due to non-payment